The following drivers are already built into FREESCO, and therefore do not need installing from the modules-034.zip.
If your card is not listed below, then download the modules-034.zip from the same location that you aquired freesco-034.zip

driver

Cards supported

ne

ISA NE2000 and clones, and some PCI NE2000 clones.

ne2k-pci *

Most PCI NE2000 clones, including rtl8029

3c509

3COM 3c509, 3c509B, 3c529, and 3c579

3c59x *

3COM 3c590, 3c595, 3c900, 3c905, and 3c905B

rtl8139 *

Realtek 8129/8139 based PCI cards

tulip *

DEC 21040, 21041, and 21140 based PCI cards.

smc-ultra

SMC Elite Ultra (8216), SMC EtherEZ (8416)

* There are later versions of these drivers you may want to try, in the \FREESCO-034\modules-2.0.39\net\new-net\ directory in the modules-034.zip, which support newer versions of these cards.